Great Western Railway & Colorado & Southern Railway Joint Excursion
Rocky Mountain Railroad Club Excursion - September 1961
Engines 51, 75 & 90 - September 1961
Engines 51, 75 & 90 - September 1961
Engines 51, 75 & 90 - September 1961
Engines 51 & 75 - September 1961
Engines 51 & 75 - September 1961
Engines 51 & 75 - September 1961
Engines 51 & 75 - September 1961
Engines 51 & 75 - September 1961
Engines 51 & 75 - September 1961
Engine 51 - September 1961
Engine 75 - September 1961
Engines 51 & 75 - September 1961
Engines 51 & 75 - September 1961
Engines 51 & 75 - September 1961
Engines 51 & 75 and C&S Engine 638 - September 1961